Determine the x-intercept(s) of the quadratic function f(x) = x²-3x-18


a. (6, 0), (-3, 0)

Mathematics

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Find the interval of convergence of the series.

A. x ? 8 B. 6 ? x ? 8 C. -113 ? x ? 127 D. -? < x < ?

Mathematics

Solve the rational inequality. Write the solution set in interval notation. ? 0

A.  ? (7, ?)
B.
C.  ? [7, ?)
D.

Mathematics

Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?

A.
X = 

B.
X = 
C.
X = 
D.
X = 

Mathematics

Combine like terms.p - p

A. 4p2
B. 4p
C. - p
D. - p2

Mathematics